1The period (1793–4) of violent repression during the First French Revolution; the Terror.
2The persecution of opponents by the Bolsheviks after the Russian Revolution of 1917; (in extended use) a period of violent repression by a communist or left-wing regime.
Origin
Mid 19th century; earliest use found in New Monthly Magazine.
Definition of Red Terror in US English:
Red Terror
noun
1The period (1793–4) of violent repression during the First French Revolution; the Terror.
2The persecution of opponents by the Bolsheviks after the Russian Revolution of 1917; (in extended use) a period of violent repression by a communist or left-wing regime.
Origin
Mid 19th century; earliest use found in New Monthly Magazine.